OpenTechnical

OT-2026-000098975

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000098975) never changes.

Identity and time

Publication numberOT-2026-000098975 · never reused
Internal UUID01a0aea2-8286-706f-ac59-197ee955c7ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098975
StatusPUBLIC

Content hashes

Canonical textaef1f315d5a73528b2b06529e2c600ecd3c7d87eff4a81c513f42b9f1e23c324
Markdownc95e09174a2c4a1652373c3a74a16f97b79e54a6cc40010a5e154b3240a9c6a0
PDF
Publication pagea6b2aecfd4b0626add2845dbbe17e0926b7c8413ee7b9248093f5092107e54d1
Manifesta9b9f696f65896039508037ed696d617813a83f66a7e90b1da0ae651b59b4a16

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature1VhxqBUKKpaK+EHLN6PRSfUfPDLwFtdSQCI1XusqZxbbR7SHQRgdb38vLhTgNWtouBmDqeIsImxsDniSJgYBBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:03.306460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098975
observed a6b2aecfd4b0626add2845dbbe17e092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.291157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098975/manifest.json
observed a9b9f696f65896039508037ed696d617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.274313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098975/publication.md
observed c95e09174a2c4a1652373c3a74a16f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.256749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098975/publication.txt
observed aef1f315d5a73528b2b06529e2c600ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.